13197902 has 4 divisors (see below), whose sum is σ = 19796856. Its totient is φ = 6598950.

The previous prime is 13197881. The next prime is 13197923. The reversal of 13197902 is 20979131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20979131 = 139 ⋅150929.

It is an interprime number because it is at equal distance from previous prime (13197881) and next prime (13197923).

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 as a sum of consecutive naturals, namely, 3299474 + ... + 3299477.

It is an arithmetic number, because the mean of its divisors is an integer number (4949214).

Almost surely, 2^13197902 is an apocalyptic number.

13197902 is a deficient number, since it is larger than the sum of its proper divisors (6598954).

13197902 is an equidigital number, since it uses as much as digits as its factorization.

13197902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6598953.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 13197902 is about 3632.8916856961. The cubic root of 13197902 is about 236.3206285475.

The spelling of 13197902 in words is "thirteen million, one hundred ninety-seven thousand, nine hundred two".