11961477 has 12 divisors (see below), whose sum is σ = 18848544. Its totient is φ = 7249320.

The previous prime is 11961461. The next prime is 11961487. The reversal of 11961477 is 77416911.

It is not a de Polignac number, because 11961477 - 2⁴ = 11961461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11961407) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60313 + ... + 60510.

It is an arithmetic number, because the mean of its divisors is an integer number (1570712).

Almost surely, 2^11961477 is an apocalyptic number.

It is an amenable number.

11961477 is a deficient number, since it is larger than the sum of its proper divisors (6887067).

11961477 is a wasteful number, since it uses less digits than its factorization.

11961477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120840 (or 120837 counting only the distinct ones).

The product of its digits is 10584, while the sum is 36.

The square root of 11961477 is about 3458.5368293543. The cubic root of 11961477 is about 228.6975979581.

The spelling of 11961477 in words is "eleven million, nine hundred sixty-one thousand, four hundred seventy-seven".