13875000 has 112 divisors (see below), whose sum is σ = 44530680. Its totient is φ = 3600000.

The previous prime is 13874983. The next prime is 13875023. The reversal of 13875000 is 57831.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 374982 + ... + 375018.

Almost surely, 2^13875000 is an apocalyptic number.

13875000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13875000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22265340).

13875000 is an abundant number, since it is smaller than the sum of its proper divisors (30655680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13875000 is an frugal number, since it uses more digits than its factorization.

13875000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 24.

The square root of 13875000 is about 3724.9161064378. The cubic root of 13875000 is about 240.2947766853.

The spelling of 13875000 in words is "thirteen million, eight hundred seventy-five thousand".