11207772 has 36 divisors (see below), whose sum is σ = 28435680. Its totient is φ = 3722112.

The previous prime is 11207767. The next prime is 11207783. The reversal of 11207772 is 27770211.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×11207772² = 251228306407968, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15229 + ... + 15947.

It is an arithmetic number, because the mean of its divisors is an integer number (789880).

Almost surely, 2^11207772 is an apocalyptic number.

11207772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11207772 is an abundant number, since it is smaller than the sum of its proper divisors (17227908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11207772 is a wasteful number, since it uses less digits than its factorization.

11207772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162 (or 1157 counting only the distinct ones).

The product of its (nonzero) digits is 1372, while the sum is 27.

The square root of 11207772 is about 3347.8010693588. The cubic root of 11207772 is about 223.7895291313.

Subtracting from 11207772 its sum of digits (27), we obtain a triangular number (11207745 = T₄₇₃₄).

Adding to 11207772 its reverse (27770211), we get a palindrome (38977983).

The spelling of 11207772 in words is "eleven million, two hundred seven thousand, seven hundred seventy-two".