11427129 has 32 divisors (see below), whose sum is σ = 19568640. Its totient is φ = 6455376.

The previous prime is 11427109. The next prime is 11427133. The reversal of 11427129 is 92172411.

It is not a de Polignac number, because 11427129 - 2¹² = 11423033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11427109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19174 + ... + 19760.

It is an arithmetic number, because the mean of its divisors is an integer number (611520).

Almost surely, 2^11427129 is an apocalyptic number.

It is an amenable number.

11427129 is a deficient number, since it is larger than the sum of its proper divisors (8141511).

11427129 is a wasteful number, since it uses less digits than its factorization.

11427129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 706 (or 700 counting only the distinct ones).

The product of its digits is 1008, while the sum is 27.

The square root of 11427129 is about 3380.4036741194. The cubic root of 11427129 is about 225.2400992526.

The spelling of 11427129 in words is "eleven million, four hundred twenty-seven thousand, one hundred twenty-nine".