11621908 has 6 divisors (see below), whose sum is σ = 20338346. Its totient is φ = 5810952.

The previous prime is 11621873. The next prime is 11621921. The reversal of 11621908 is 80912611.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11276164 + 345744 = 3358^2 + 588^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1452735 + ... + 1452742.

Almost surely, 2^11621908 is an apocalyptic number.

It is an amenable number.

11621908 is a deficient number, since it is larger than the sum of its proper divisors (8716438).

11621908 is a wasteful number, since it uses less digits than its factorization.

11621908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2905481 (or 2905479 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 28.

The square root of 11621908 is about 3409.0919612120. The cubic root of 11621908 is about 226.5126587438.

The spelling of 11621908 in words is "eleven million, six hundred twenty-one thousand, nine hundred eight".