13887190 has 8 divisors (see below), whose sum is σ = 24996960. Its totient is φ = 5554872.

The previous prime is 13887169. The next prime is 13887191. The reversal of 13887190 is 9178831.

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

It is a super-2 number, since 2×13887190² = 385708092192200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13887191) 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, 694350 + ... + 694369.

It is an arithmetic number, because the mean of its divisors is an integer number (3124620).

Almost surely, 2^13887190 is an apocalyptic number.

13887190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13887190 is a deficient number, since it is larger than the sum of its proper divisors (11109770).

13887190 is a wasteful number, since it uses less digits than its factorization.

13887190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388726.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 13887190 is about 3726.5520256666. The cubic root of 13887190 is about 240.3651270978.

The spelling of 13887190 in words is "thirteen million, eight hundred eighty-seven thousand, one hundred ninety".