25990712 has 32 divisors (see below), whose sum is σ = 53412480. Its totient is φ = 11758560.

The previous prime is 25990693. The next prime is 25990721. The reversal of 25990712 is 21709952.

It is a super-2 number, since 2×25990712² = 1351034220533888, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22583 + ... + 23705.

It is an arithmetic number, because the mean of its divisors is an integer number (1669140).

Almost surely, 2^25990712 is an apocalyptic number.

25990712 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25990712 is an abundant number, since it is smaller than the sum of its proper divisors (27421768).

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

25990712 is a wasteful number, since it uses less digits than its factorization.

25990712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1403 (or 1399 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 25990712 is about 5098.1086689085. The cubic root of 25990712 is about 296.2143261476.

The spelling of 25990712 in words is "twenty-five million, nine hundred ninety thousand, seven hundred twelve".