13626897 has 8 divisors (see below), whose sum is σ = 18795840. Its totient is φ = 8771280.

The previous prime is 13626889. The next prime is 13626901. The reversal of 13626897 is 79862631.

It is a happy number.

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

It is not a de Polignac number, because 13626897 - 2³ = 13626889 is a prime.

It is a super-3 number, since 3×13626897³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13626827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78229 + ... + 78402.

It is an arithmetic number, because the mean of its divisors is an integer number (2349480).

Almost surely, 2^13626897 is an apocalyptic number.

It is an amenable number.

13626897 is a deficient number, since it is larger than the sum of its proper divisors (5168943).

13626897 is a wasteful number, since it uses less digits than its factorization.

13626897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156663.

The product of its digits is 108864, while the sum is 42.

The square root of 13626897 is about 3691.4627182189. The cubic root of 13626897 is about 238.8538931810.

The spelling of 13626897 in words is "thirteen million, six hundred twenty-six thousand, eight hundred ninety-seven".