13197542 has 8 divisors (see below), whose sum is σ = 20960856. Its totient is φ = 6210592.

The previous prime is 13197539. The next prime is 13197557. The reversal of 13197542 is 24579131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13197542² = 348350229683528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13197499 and 13197508.

It is a congruent number.

It is an unprimeable number.

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, 194048 + ... + 194115.

It is an arithmetic number, because the mean of its divisors is an integer number (2620107).

Almost surely, 2^13197542 is an apocalyptic number.

13197542 is a deficient number, since it is larger than the sum of its proper divisors (7763314).

13197542 is a wasteful number, since it uses less digits than its factorization.

13197542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388182.

The product of its digits is 7560, while the sum is 32.

The square root of 13197542 is about 3632.8421380511. The cubic root of 13197542 is about 236.3184798171.

The spelling of 13197542 in words is "thirteen million, one hundred ninety-seven thousand, five hundred forty-two".