13649797 has 8 divisors (see below), whose sum is σ = 15624000. Its totient is φ = 11681664.

The previous prime is 13649773. The next prime is 13649803. The reversal of 13649797 is 79794631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13649797 - 2¹¹ = 13647749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13649717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5454 + ... + 7552.

It is an arithmetic number, because the mean of its divisors is an integer number (1953000).

Almost surely, 2^13649797 is an apocalyptic number.

It is an amenable number.

13649797 is a deficient number, since it is larger than the sum of its proper divisors (1974203).

13649797 is an equidigital number, since it uses as much as digits as its factorization.

13649797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3035.

The product of its digits is 285768, while the sum is 46.

The square root of 13649797 is about 3694.5631676830. The cubic root of 13649797 is about 238.9876162885.

The spelling of 13649797 in words is "thirteen million, six hundred forty-nine thousand, seven hundred ninety-seven".