11722477 has 8 divisors (see below), whose sum is σ = 12673080. Its totient is φ = 10778880.

The previous prime is 11722429. The next prime is 11722489. The reversal of 11722477 is 77422711.

It can be written as a sum of positive squares in 4 ways, for example, as 1153476 + 10569001 = 1074^2 + 3251^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11722477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11762477) 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, 2049 + ... + 5257.

It is an arithmetic number, because the mean of its divisors is an integer number (1584135).

Almost surely, 2^11722477 is an apocalyptic number.

It is an amenable number.

11722477 is a deficient number, since it is larger than the sum of its proper divisors (950603).

11722477 is a wasteful number, since it uses less digits than its factorization.

11722477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503.

The product of its digits is 5488, while the sum is 31.

The square root of 11722477 is about 3423.8103043247. The cubic root of 11722477 is about 227.1641512262.

The spelling of 11722477 in words is "eleven million, seven hundred twenty-two thousand, four hundred seventy-seven".