11961672 has 16 divisors (see below), whose sum is σ = 29904240. Its totient is φ = 3987216.

The previous prime is 11961671. The next prime is 11961683. The reversal of 11961672 is 27616911.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (11961671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249178 + ... + 249225.

It is an arithmetic number, because the mean of its divisors is an integer number (1869015).

Almost surely, 2^11961672 is an apocalyptic number.

11961672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11961672 is an abundant number, since it is smaller than the sum of its proper divisors (17942568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11961672 is a wasteful number, since it uses less digits than its factorization.

11961672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498412 (or 498408 counting only the distinct ones).

The product of its digits is 4536, while the sum is 33.

The square root of 11961672 is about 3458.5650203516. The cubic root of 11961672 is about 228.6988407196.

The spelling of 11961672 in words is "eleven million, nine hundred sixty-one thousand, six hundred seventy-two".