11198725 has 12 divisors (see below), whose sum is σ = 13962400. Its totient is φ = 8910000.

The previous prime is 11198713. The next prime is 11198743. The reversal of 11198725 is 52789111.

It is a happy number.

It is not a de Polignac number, because 11198725 - 2¹³ = 11190533 is a prime.

It is a super-2 number, since 2×11198725² = 250822883251250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3850 + ... + 6100.

Almost surely, 2^11198725 is an apocalyptic number.

It is an amenable number.

11198725 is a deficient number, since it is larger than the sum of its proper divisors (2763675).

11198725 is a wasteful number, since it uses less digits than its factorization.

11198725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2460 (or 2455 counting only the distinct ones).

The product of its digits is 5040, while the sum is 34.

The square root of 11198725 is about 3346.4496111551. The cubic root of 11198725 is about 223.7292980441.

The spelling of 11198725 in words is "eleven million, one hundred ninety-eight thousand, seven hundred twenty-five".