13911451 has 4 divisors (see below), whose sum is σ = 13923304. Its totient is φ = 13899600.

The previous prime is 13911421. The next prime is 13911461. The reversal of 13911451 is 15411931.

13911451 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15411931 = 43 ⋅358417.

It is a cyclic number.

It is not a de Polignac number, because 13911451 - 2⁵ = 13911419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13911421) 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, 3945 + ... + 6586.

It is an arithmetic number, because the mean of its divisors is an integer number (3480826).

Almost surely, 2^13911451 is an apocalyptic number.

13911451 is a deficient number, since it is larger than the sum of its proper divisors (11853).

13911451 is a wasteful number, since it uses less digits than its factorization.

13911451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11852.

The product of its digits is 540, while the sum is 25.

The square root of 13911451 is about 3729.8057590175. The cubic root of 13911451 is about 240.5050187475.

The spelling of 13911451 in words is "thirteen million, nine hundred eleven thousand, four hundred fifty-one".