13725490 has 8 divisors (see below), whose sum is σ = 24705900. Its totient is φ = 5490192.

The previous prime is 13725487. The next prime is 13725493. The reversal of 13725490 is 9452731.

It is an interprime number because it is at equal distance from previous prime (13725487) and next prime (13725493).

It can be written as a sum of positive squares in 2 ways, for example, as 12723489 + 1002001 = 3567^2 + 1001^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13725493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 686265 + ... + 686284.

Almost surely, 2^13725490 is an apocalyptic number.

13725490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13725490 is a deficient number, since it is larger than the sum of its proper divisors (10980410).

13725490 is a wasteful number, since it uses less digits than its factorization.

13725490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372556.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 13725490 is about 3704.7928417119. The cubic root of 13725490 is about 239.4285594601.

The spelling of 13725490 in words is "thirteen million, seven hundred twenty-five thousand, four hundred ninety".