13697946 has 12 divisors (see below), whose sum is σ = 29678922. Its totient is φ = 4565976.

The previous prime is 13697933. The next prime is 13697969. The reversal of 13697946 is 64979631.

It can be written as a sum of positive squares in only one way, i.e., 13242321 + 455625 = 3639^2 + 675^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 380481 + ... + 380516.

Almost surely, 2^13697946 is an apocalyptic number.

13697946 is an abundant number, since it is smaller than the sum of its proper divisors (15980976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13697946 is a wasteful number, since it uses less digits than its factorization.

13697946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761005 (or 761002 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 13697946 is about 3701.0736280166. The cubic root of 13697946 is about 239.2682922830.

The spelling of 13697946 in words is "thirteen million, six hundred ninety-seven thousand, nine hundred forty-six".