11641312 has 24 divisors (see below), whose sum is σ = 23916816. Its totient is φ = 5567232.

The previous prime is 11641249. The next prime is 11641313. The reversal of 11641312 is 21314611.

It is a self number, because there is not a number n which added to its sum of digits gives 11641312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11641313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7173 + ... + 8644.

It is an arithmetic number, because the mean of its divisors is an integer number (996534).

Almost surely, 2^11641312 is an apocalyptic number.

It is an amenable number.

11641312 is an abundant number, since it is smaller than the sum of its proper divisors (12275504).

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

11641312 is a wasteful number, since it uses less digits than its factorization.

11641312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15850 (or 15842 counting only the distinct ones).

The product of its digits is 144, while the sum is 19.

The square root of 11641312 is about 3411.9366934338. The cubic root of 11641312 is about 226.6386509011.

Adding to 11641312 its reverse (21314611), we get a palindrome (32955923).

It can be divided in two parts, 116413 and 12, that multiplied together give a triangular number (1396956 = T₁₆₇₁).

The spelling of 11641312 in words is "eleven million, six hundred forty-one thousand, three hundred twelve".