13942125 has 72 divisors (see below), whose sum is σ = 27633528. Its totient is φ = 6998400.

The previous prime is 13942121. The next prime is 13942133. The reversal of 13942125 is 52124931.

It can be written as a sum of positive squares in 4 ways, for example, as 59049 + 13883076 = 243^2 + 3726^2 .

It is not a de Polignac number, because 13942125 - 2² = 13942121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13942121) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 820117 + ... + 820133.

It is an arithmetic number, because the mean of its divisors is an integer number (383799).

Almost surely, 2^13942125 is an apocalyptic number.

13942125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13942125 is a deficient number, since it is larger than the sum of its proper divisors (13691403).

13942125 is an frugal number, since it uses more digits than its factorization.

13942125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56 (or 25 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 13942125 is about 3733.9155052036. The cubic root of 13942125 is about 240.6816558558.

The spelling of 13942125 in words is "thirteen million, nine hundred forty-two thousand, one hundred twenty-five".