13903125 has 24 divisors (see below), whose sum is σ = 23186016. Its totient is φ = 7410000.

The previous prime is 13903121. The next prime is 13903129. The reversal of 13903125 is 52130931.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13903121) and next prime (13903129).

It is not a de Polignac number, because 13903125 - 2² = 13903121 is a prime.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 13903095 and 13903104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13903121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8634 + ... + 10116.

It is an arithmetic number, because the mean of its divisors is an integer number (966084).

Almost surely, 2^13903125 is an apocalyptic number.

13903125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13903125 is a deficient number, since it is larger than the sum of its proper divisors (9282891).

13903125 is an frugal number, since it uses more digits than its factorization.

13903125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511 (or 1491 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 13903125 is about 3728.6894480501. The cubic root of 13903125 is about 240.4570284406.

It can be divided in two parts, 13903 and 125, that added together give a triangular number (14028 = T₁₆₇).

The spelling of 13903125 in words is "thirteen million, nine hundred three thousand, one hundred twenty-five".