11880731 has 8 divisors (see below), whose sum is σ = 12158400. Its totient is φ = 11606400.

The previous prime is 11880721. The next prime is 11880733. The reversal of 11880731 is 13708811.

11880731 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11880731 - 2⁶ = 11880667 is a prime.

It is a super-2 number, since 2×11880731² = 282303538188722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11880694 and 11880703.

It is not an unprimeable number, because it can be changed into a prime (11880733) 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, 7235 + ... + 8723.

It is an arithmetic number, because the mean of its divisors is an integer number (1519800).

Almost surely, 2^11880731 is an apocalyptic number.

11880731 is a deficient number, since it is larger than the sum of its proper divisors (277669).

11880731 is a wasteful number, since it uses less digits than its factorization.

11880731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669.

The product of its (nonzero) digits is 1344, while the sum is 29.

The square root of 11880731 is about 3446.8436285970. The cubic root of 11880731 is about 228.1818276141.

The spelling of 11880731 in words is "eleven million, eight hundred eighty thousand, seven hundred thirty-one".