13761087 has 4 divisors (see below), whose sum is σ = 18348120. Its totient is φ = 9174056.

The previous prime is 13761067. The next prime is 13761131. The reversal of 13761087 is 78016731.

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 13761087 - 2⁶ = 13761023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13761037) 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, 2293512 + ... + 2293517.

It is an arithmetic number, because the mean of its divisors is an integer number (4587030).

Almost surely, 2^13761087 is an apocalyptic number.

13761087 is a deficient number, since it is larger than the sum of its proper divisors (4587033).

13761087 is an equidigital number, since it uses as much as digits as its factorization.

13761087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4587032.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 13761087 is about 3709.5939130854. The cubic root of 13761087 is about 239.6353664293.

The spelling of 13761087 in words is "thirteen million, seven hundred sixty-one thousand, eighty-seven".