13406546 has 16 divisors (see below), whose sum is σ = 20483064. Its totient is φ = 6580224.

The previous prime is 13406531. The next prime is 13406579. The reversal of 13406546 is 64560431.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5221225 + 8185321 = 2285^2 + 2861^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30746 + ... + 31178.

Almost surely, 2^13406546 is an apocalyptic number.

13406546 is a deficient number, since it is larger than the sum of its proper divisors (7076518).

13406546 is a wasteful number, since it uses less digits than its factorization.

13406546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 13406546 is about 3661.4950498396. The cubic root of 13406546 is about 237.5594444001.

Adding to 13406546 its reverse (64560431), we get a palindrome (77966977).

The spelling of 13406546 in words is "thirteen million, four hundred six thousand, five hundred forty-six".