13355971 has 2 divisors, whose sum is σ = 13355972. Its totient is φ = 13355970.

The previous prime is 13355959. The next prime is 13355983. The reversal of 13355971 is 17955331.

It is a balanced prime because it is at equal distance from previous prime (13355959) and next prime (13355983).

It is an emirp because it is prime and its reverse (17955331) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13355971 is a prime.

It is a super-2 number, since 2×13355971² = 356763922705682, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13355941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6677985 + 6677986.

It is an arithmetic number, because the mean of its divisors is an integer number (6677986).

Almost surely, 2^13355971 is an apocalyptic number.

13355971 is a deficient number, since it is larger than the sum of its proper divisors (1).

13355971 is an equidigital number, since it uses as much as digits as its factorization.

13355971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14175, while the sum is 34.

The square root of 13355971 is about 3654.5821922622. The cubic root of 13355971 is about 237.2603440301.

The spelling of 13355971 in words is "thirteen million, three hundred fifty-five thousand, nine hundred seventy-one".