13361387 has 4 divisors (see below), whose sum is σ = 14389200. Its totient is φ = 12333576.

The previous prime is 13361377. The next prime is 13361393. The reversal of 13361387 is 78316331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13361387 - 2¹⁶ = 13295851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13361357) 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, 513887 + ... + 513912.

It is an arithmetic number, because the mean of its divisors is an integer number (3597300).

Almost surely, 2^13361387 is an apocalyptic number.

13361387 is a deficient number, since it is larger than the sum of its proper divisors (1027813).

13361387 is a wasteful number, since it uses less digits than its factorization.

13361387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027812.

The product of its digits is 9072, while the sum is 32.

The square root of 13361387 is about 3655.3231047337. The cubic root of 13361387 is about 237.2924102964.

The spelling of 13361387 in words is "thirteen million, three hundred sixty-one thousand, three hundred eighty-seven".