11532730 has 32 divisors (see below), whose sum is σ = 23042880. Its totient is φ = 4120320.

The previous prime is 11532727. The next prime is 11532733. The reversal of 11532730 is 3723511.

It is an interprime number because it is at equal distance from previous prime (11532727) and next prime (11532733).

It is a super-2 number, since 2×11532730² = 266007722505800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (11532733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5602 + ... + 7378.

It is an arithmetic number, because the mean of its divisors is an integer number (720090).

Almost surely, 2^11532730 is an apocalyptic number.

11532730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11532730 is a deficient number, since it is larger than the sum of its proper divisors (11510150).

11532730 is a wasteful number, since it uses less digits than its factorization.

11532730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 11532730 is about 3395.9873380212. The cubic root of 11532730 is about 225.9318065065.

It can be divided in two parts, 1153 and 2730, that added together give a palindrome (3883).

The spelling of 11532730 in words is "eleven million, five hundred thirty-two thousand, seven hundred thirty".