12113953 has 2 divisors, whose sum is σ = 12113954. Its totient is φ = 12113952.

The previous prime is 12113947. The next prime is 12113957. The reversal of 12113953 is 35931121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10131489 + 1982464 = 3183^2 + 1408^2 .

It is an emirp because it is prime and its reverse (35931121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12113953 - 2¹⁷ = 11982881 is a prime.

It is a super-3 number, since 3×12113953³ (a number of 22 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (12113957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6056976 + 6056977.

It is an arithmetic number, because the mean of its divisors is an integer number (6056977).

Almost surely, 2^12113953 is an apocalyptic number.

It is an amenable number.

12113953 is a deficient number, since it is larger than the sum of its proper divisors (1).

12113953 is an equidigital number, since it uses as much as digits as its factorization.

12113953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 810, while the sum is 25.

The square root of 12113953 is about 3480.5104510689. The cubic root of 12113953 is about 229.6652534302.

The spelling of 12113953 in words is "twelve million, one hundred thirteen thousand, nine hundred fifty-three".