13738997 has 4 divisors (see below), whose sum is σ = 13932576. Its totient is φ = 13545420.

The previous prime is 13738961. The next prime is 13739021. The reversal of 13738997 is 79983731.

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: 79983731 = 53 ⋅1509127.

It is a cyclic number.

It is not a de Polignac number, because 13738997 - 2¹² = 13734901 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 (13738927) 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, 96683 + ... + 96824.

It is an arithmetic number, because the mean of its divisors is an integer number (3483144).

Almost surely, 2^13738997 is an apocalyptic number.

It is an amenable number.

13738997 is a deficient number, since it is larger than the sum of its proper divisors (193579).

13738997 is an equidigital number, since it uses as much as digits as its factorization.

13738997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193578.

The product of its digits is 285768, while the sum is 47.

The square root of 13738997 is about 3706.6153024019. The cubic root of 13738997 is about 239.5070727787.

The spelling of 13738997 in words is "thirteen million, seven hundred thirty-eight thousand, nine hundred ninety-seven".