13642797 has 8 divisors (see below), whose sum is σ = 20789056. Its totient is φ = 7795872.

The previous prime is 13642787. The next prime is 13642801. The reversal of 13642797 is 79724631.

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

It is not a de Polignac number, because 13642797 - 2⁷ = 13642669 is a prime.

It is a super-2 number, since 2×13642797² = 372251819966418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13642757) 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, 324808 + ... + 324849.

It is an arithmetic number, because the mean of its divisors is an integer number (2598632).

Almost surely, 2^13642797 is an apocalyptic number.

It is an amenable number.

13642797 is a deficient number, since it is larger than the sum of its proper divisors (7146259).

13642797 is an equidigital number, since it uses as much as digits as its factorization.

13642797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649667.

The product of its digits is 63504, while the sum is 39.

The square root of 13642797 is about 3693.6157082187. The cubic root of 13642797 is about 238.9467561114.

The spelling of 13642797 in words is "thirteen million, six hundred forty-two thousand, seven hundred ninety-seven".