11801925 has 18 divisors (see below), whose sum is σ = 21138962. Its totient is φ = 6294240.

The previous prime is 11801899. The next prime is 11801939. The reversal of 11801925 is 52910811.

It can be written as a sum of positive squares in 3 ways, for example, as 471969 + 11329956 = 687^2 + 3366^2 .

It is not a de Polignac number, because 11801925 - 2⁶ = 11801861 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 26002 + ... + 26451.

Almost surely, 2^11801925 is an apocalyptic number.

11801925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11801925 is a deficient number, since it is larger than the sum of its proper divisors (9337037).

11801925 is a wasteful number, since it uses less digits than its factorization.

11801925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52469 (or 52461 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The square root of 11801925 is about 3435.3929906199. The cubic root of 11801925 is about 227.6761908468.

The spelling of 11801925 in words is "eleven million, eight hundred one thousand, nine hundred twenty-five".