13977495 has 48 divisors (see below), whose sum is σ = 28919520. Its totient is φ = 6386688.

The previous prime is 13977487. The next prime is 13977503. The reversal of 13977495 is 59477931.

It is an interprime number because it is at equal distance from previous prime (13977487) and next prime (13977503).

It is not a de Polignac number, because 13977495 - 2³ = 13977487 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 13977495.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5559 + ... + 7671.

It is an arithmetic number, because the mean of its divisors is an integer number (602490).

Almost surely, 2^13977495 is an apocalyptic number.

13977495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13977495 is an abundant number, since it is smaller than the sum of its proper divisors (14942025).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13977495 is a wasteful number, since it uses less digits than its factorization.

13977495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141 (or 2128 counting only the distinct ones).

The product of its digits is 238140, while the sum is 45.

The square root of 13977495 is about 3738.6488200953. The cubic root of 13977495 is about 240.8850137000.

The spelling of 13977495 in words is "thirteen million, nine hundred seventy-seven thousand, four hundred ninety-five".