11642475 has 24 divisors (see below), whose sum is σ = 20731312. Its totient is φ = 5731200.

The previous prime is 11642473. The next prime is 11642507. The reversal of 11642475 is 57424611.

It is not a de Polignac number, because 11642475 - 2¹ = 11642473 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 (11642473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4996 + ... + 6945.

Almost surely, 2^11642475 is an apocalyptic number.

11642475 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11642475 is a deficient number, since it is larger than the sum of its proper divisors (9088837).

11642475 is a wasteful number, since it uses less digits than its factorization.

11642475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11967 (or 11962 counting only the distinct ones).

The product of its digits is 6720, while the sum is 30.

The square root of 11642475 is about 3412.1071202411. The cubic root of 11642475 is about 226.6461979306.

The spelling of 11642475 in words is "eleven million, six hundred forty-two thousand, four hundred seventy-five".