13011451 has 4 divisors (see below), whose sum is σ = 13027392. Its totient is φ = 12995512.

The previous prime is 13011437. The next prime is 13011463. The reversal of 13011451 is 15411031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13011451 - 2¹³ = 13003259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13011421) 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, 6676 + ... + 8401.

It is an arithmetic number, because the mean of its divisors is an integer number (3256848).

Almost surely, 2^13011451 is an apocalyptic number.

13011451 is a deficient number, since it is larger than the sum of its proper divisors (15941).

13011451 is an equidigital number, since it uses as much as digits as its factorization.

13011451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15940.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 13011451 is about 3607.1388939158. The cubic root of 13011451 is about 235.2024873150.

Adding to 13011451 its reverse (15411031), we get a palindrome (28422482).

The spelling of 13011451 in words is "thirteen million, eleven thousand, four hundred fifty-one".