11272136 has 8 divisors (see below), whose sum is σ = 21135270. Its totient is φ = 5636064.

The previous prime is 11272123. The next prime is 11272169. The reversal of 11272136 is 63127211.

It can be written as a sum of positive squares in only one way, i.e., 10048900 + 1223236 = 3170^2 + 1106^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×11272136² = 254122100004992, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 704501 + ... + 704516.

Almost surely, 2^11272136 is an apocalyptic number.

It is an amenable number.

11272136 is a deficient number, since it is larger than the sum of its proper divisors (9863134).

11272136 is a wasteful number, since it uses less digits than its factorization.

11272136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1409023 (or 1409019 counting only the distinct ones).

The product of its digits is 504, while the sum is 23.

The square root of 11272136 is about 3357.4001846667. The cubic root of 11272136 is about 224.2171045617.

Adding to 11272136 its reverse (63127211), we get a palindrome (74399347).

The spelling of 11272136 in words is "eleven million, two hundred seventy-two thousand, one hundred thirty-six".