13743391 has 6 divisors (see below), whose sum is σ = 14126280. Its totient is φ = 13370616.

The previous prime is 13743383. The next prime is 13743407. The reversal of 13743391 is 19334731.

It is not a de Polignac number, because 13743391 - 2³ = 13743383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13743091) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3651 + ... + 6388.

It is an arithmetic number, because the mean of its divisors is an integer number (2354380).

Almost surely, 2^13743391 is an apocalyptic number.

13743391 is a deficient number, since it is larger than the sum of its proper divisors (382889).

13743391 is an equidigital number, since it uses as much as digits as its factorization.

13743391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10113 (or 10076 counting only the distinct ones).

The product of its digits is 6804, while the sum is 31.

The square root of 13743391 is about 3707.2079790592. The cubic root of 13743391 is about 239.5326030728.

The spelling of 13743391 in words is "thirteen million, seven hundred forty-three thousand, three hundred ninety-one".