13690497 has 8 divisors (see below), whose sum is σ = 19047744. Its totient is φ = 8730128.

The previous prime is 13690477. The next prime is 13690511. The reversal of 13690497 is 79409631.

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

It is a cyclic number.

It is not a de Polignac number, because 13690497 - 2¹² = 13686401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13690427) 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, 99138 + ... + 99275.

It is an arithmetic number, because the mean of its divisors is an integer number (2380968).

Almost surely, 2^13690497 is an apocalyptic number.

It is an amenable number.

13690497 is a deficient number, since it is larger than the sum of its proper divisors (5357247).

13690497 is a wasteful number, since it uses less digits than its factorization.

13690497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198439.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 13690497 is about 3700.0671615526. The cubic root of 13690497 is about 239.2249127213.

The spelling of 13690497 in words is "thirteen million, six hundred ninety thousand, four hundred ninety-seven".