11671948 has 24 divisors (see below), whose sum is σ = 21436128. Its totient is φ = 5550336.

The previous prime is 11671943. The next prime is 11671967. The reversal of 11671948 is 84917611.

It is a super-2 number, since 2×11671948² = 272468740229408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11671943) 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, 26740 + ... + 27172.

It is an arithmetic number, because the mean of its divisors is an integer number (893172).

Almost surely, 2^11671948 is an apocalyptic number.

It is an amenable number.

11671948 is a deficient number, since it is larger than the sum of its proper divisors (9764180).

11671948 is a wasteful number, since it uses less digits than its factorization.

11671948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753 (or 751 counting only the distinct ones).

The product of its digits is 12096, while the sum is 37.

The square root of 11671948 is about 3416.4232758837. The cubic root of 11671948 is about 226.8372888722.

The spelling of 11671948 in words is "eleven million, six hundred seventy-one thousand, nine hundred forty-eight".