13770497 has 16 divisors (see below), whose sum is σ = 15744960. Its totient is φ = 11938752.

The previous prime is 13770487. The next prime is 13770503. The reversal of 13770497 is 79407731.

It is a cyclic number.

It is not a de Polignac number, because 13770497 - 2⁴ = 13770481 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13770497.

It is not an unprimeable number, because it can be changed into a prime (13770437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48518 + ... + 48800.

It is an arithmetic number, because the mean of its divisors is an integer number (984060).

Almost surely, 2^13770497 is an apocalyptic number.

It is an amenable number.

13770497 is a deficient number, since it is larger than the sum of its proper divisors (1974463).

13770497 is a wasteful number, since it uses less digits than its factorization.

13770497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512.

The product of its (nonzero) digits is 37044, while the sum is 38.

The square root of 13770497 is about 3710.8620292326. The cubic root of 13770497 is about 239.6899758508.

The spelling of 13770497 in words is "thirteen million, seven hundred seventy thousand, four hundred ninety-seven".