11621672 has 8 divisors (see below), whose sum is σ = 21790650. Its totient is φ = 5810832.

The previous prime is 11621671. The next prime is 11621677. The reversal of 11621672 is 27612611.

It can be written as a sum of positive squares in only one way, i.e., 8213956 + 3407716 = 2866^2 + 1846^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (11621671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726347 + ... + 726362.

Almost surely, 2^11621672 is an apocalyptic number.

It is an amenable number.

11621672 is a deficient number, since it is larger than the sum of its proper divisors (10168978).

11621672 is a wasteful number, since it uses less digits than its factorization.

11621672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1452715 (or 1452711 counting only the distinct ones).

The product of its digits is 1008, while the sum is 26.

The square root of 11621672 is about 3409.0573477136. The cubic root of 11621672 is about 226.5111255087.

The spelling of 11621672 in words is "eleven million, six hundred twenty-one thousand, six hundred seventy-two".