13880787 has 8 divisors (see below), whose sum is σ = 18938304. Its totient is φ = 9038568.

The previous prime is 13880767. The next prime is 13880819. The reversal of 13880787 is 78708831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13880787 - 2⁶ = 13880723 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13880717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53673 + ... + 53930.

It is an arithmetic number, because the mean of its divisors is an integer number (2367288).

Almost surely, 2^13880787 is an apocalyptic number.

13880787 is a deficient number, since it is larger than the sum of its proper divisors (5057517).

13880787 is a wasteful number, since it uses less digits than its factorization.

13880787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107649.

The product of its (nonzero) digits is 75264, while the sum is 42.

The square root of 13880787 is about 3725.6928214763. The cubic root of 13880787 is about 240.3281795102.

The spelling of 13880787 in words is "thirteen million, eight hundred eighty thousand, seven hundred eighty-seven".