11312501 has 8 divisors (see below), whose sum is σ = 11565504. Its totient is φ = 11062240.

The previous prime is 11312471. The next prime is 11312503. The reversal of 11312501 is 10521311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11312501 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9146 + ... + 10308.

It is an arithmetic number, because the mean of its divisors is an integer number (1445688).

Almost surely, 2^11312501 is an apocalyptic number.

It is an amenable number.

11312501 is a deficient number, since it is larger than the sum of its proper divisors (253003).

11312501 is a wasteful number, since it uses less digits than its factorization.

11312501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 11312501 is about 3363.4061604273. The cubic root of 11312501 is about 224.4844227729.

Adding to 11312501 its reverse (10521311), we get a palindrome (21833812).

It can be divided in two parts, 1131 and 2501, that multiplied together give a triangular number (2828631 = T₂₃₇₈).

The spelling of 11312501 in words is "eleven million, three hundred twelve thousand, five hundred one".