13043951 has 4 divisors (see below), whose sum is σ = 13051272. Its totient is φ = 13036632.

The previous prime is 13043941. The next prime is 13043959. The reversal of 13043951 is 15934031.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 15934031 = 31 ⋅514001.

It is a cyclic number.

It is not a de Polignac number, because 13043951 - 2⁶ = 13043887 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13043951.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13043959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 941 + ... + 5193.

It is an arithmetic number, because the mean of its divisors is an integer number (3262818).

Almost surely, 2^13043951 is an apocalyptic number.

13043951 is a deficient number, since it is larger than the sum of its proper divisors (7321).

13043951 is an equidigital number, since it uses as much as digits as its factorization.

13043951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7320.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 13043951 is about 3611.6410397491. The cubic root of 13043951 is about 235.3981540702.

Adding to 13043951 its reverse (15934031), we get a palindrome (28977982).

The spelling of 13043951 in words is "thirteen million, forty-three thousand, nine hundred fifty-one".