11975149 has 8 divisors (see below), whose sum is σ = 12652640. Its totient is φ = 11302416.

The previous prime is 11975147. The next prime is 11975153. The reversal of 11975149 is 94157911.

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

It is not a de Polignac number, because 11975149 - 2¹ = 11975147 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11975143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4807 + ... + 6859.

It is an arithmetic number, because the mean of its divisors is an integer number (1581580).

Almost surely, 2^11975149 is an apocalyptic number.

11975149 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11975149 is a deficient number, since it is larger than the sum of its proper divisors (677491).

11975149 is a wasteful number, since it uses less digits than its factorization.

11975149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2379.

The product of its digits is 11340, while the sum is 37.

The square root of 11975149 is about 3460.5128232677. The cubic root of 11975149 is about 228.7846987685.

The spelling of 11975149 in words is "eleven million, nine hundred seventy-five thousand, one hundred forty-nine".