13401197 has 4 divisors (see below), whose sum is σ = 13442016. Its totient is φ = 13360380.

The previous prime is 13401191. The next prime is 13401211. The reversal of 13401197 is 79110431.

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, and also an emirpimes, since its reverse is a distinct semiprime: 79110431 = 251 ⋅315181.

It is a cyclic number.

It is not a de Polignac number, because 13401197 - 2⁴ = 13401181 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 (13401191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19913 + ... + 20574.

It is an arithmetic number, because the mean of its divisors is an integer number (3360504).

Almost surely, 2^13401197 is an apocalyptic number.

It is an amenable number.

13401197 is a deficient number, since it is larger than the sum of its proper divisors (40819).

13401197 is an equidigital number, since it uses as much as digits as its factorization.

13401197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40818.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 13401197 is about 3660.7645376342. The cubic root of 13401197 is about 237.5278460425.

The spelling of 13401197 in words is "thirteen million, four hundred one thousand, one hundred ninety-seven".