13977075 has 48 divisors (see below), whose sum is σ = 26823680. Its totient is φ = 6289920.

The previous prime is 13977053. The next prime is 13977079. The reversal of 13977075 is 57077931.

It is a happy number.

It is not a de Polignac number, because 13977075 - 2⁶ = 13977011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13977079) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 41307 + ... + 41643.

Almost surely, 2^13977075 is an apocalyptic number.

13977075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13977075 is a deficient number, since it is larger than the sum of its proper divisors (12846605).

13977075 is a wasteful number, since it uses less digits than its factorization.

13977075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436 (or 431 counting only the distinct ones).

The product of its (nonzero) digits is 46305, while the sum is 39.

The square root of 13977075 is about 3738.5926496477. The cubic root of 13977075 is about 240.8826009472.

The spelling of 13977075 in words is "thirteen million, nine hundred seventy-seven thousand, seventy-five".