11671761 has 16 divisors (see below), whose sum is σ = 16219008. Its totient is φ = 7459200.

The previous prime is 11671753. The next prime is 11671763. The reversal of 11671761 is 16717611.

It is not a de Polignac number, because 11671761 - 2³ = 11671753 is a prime.

It is a super-2 number, since 2×11671761² = 272460009682242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11671763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7141 + ... + 8621.

It is an arithmetic number, because the mean of its divisors is an integer number (1013688).

Almost surely, 2^11671761 is an apocalyptic number.

It is an amenable number.

11671761 is a deficient number, since it is larger than the sum of its proper divisors (4547247).

11671761 is a wasteful number, since it uses less digits than its factorization.

11671761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1592.

The product of its digits is 1764, while the sum is 30.

The square root of 11671761 is about 3416.3959079709. The cubic root of 11671761 is about 226.8360774549.

The spelling of 11671761 in words is "eleven million, six hundred seventy-one thousand, seven hundred sixty-one".