11389725 has 36 divisors (see below), whose sum is σ = 20582016. Its totient is φ = 6020640.

The previous prime is 11389723. The next prime is 11389771. The reversal of 11389725 is 52798311.

It is not a de Polignac number, because 11389725 - 2¹ = 11389723 is a prime.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 11389725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11389723) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 50062 + ... + 50288.

Almost surely, 2^11389725 is an apocalyptic number.

11389725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11389725 is a deficient number, since it is larger than the sum of its proper divisors (9192291).

11389725 is a wasteful number, since it uses less digits than its factorization.

11389725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466 (or 458 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 11389725 is about 3374.8666640328. The cubic root of 11389725 is about 224.9940739180.

The spelling of 11389725 in words is "eleven million, three hundred eighty-nine thousand, seven hundred twenty-five".