13372261 has 4 divisors (see below), whose sum is σ = 15282592. Its totient is φ = 11461932.

The previous prime is 13372201. The next prime is 13372267. The reversal of 13372261 is 16227331.

13372261 = T₁₁₁₈ + T₁₁₁₉ + ... + T₁₁₃₈.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13372261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13372267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 955155 + ... + 955168.

It is an arithmetic number, because the mean of its divisors is an integer number (3820648).

Almost surely, 2^13372261 is an apocalyptic number.

It is an amenable number.

13372261 is a deficient number, since it is larger than the sum of its proper divisors (1910331).

13372261 is an equidigital number, since it uses as much as digits as its factorization.

13372261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910330.

The product of its digits is 1512, while the sum is 25.

The square root of 13372261 is about 3656.8102220378. The cubic root of 13372261 is about 237.3567653417.

Adding to 13372261 its reverse (16227331), we get a palindrome (29599592).

The spelling of 13372261 in words is "thirteen million, three hundred seventy-two thousand, two hundred sixty-one".