13606494 has 64 divisors (see below), whose sum is σ = 32078592. Its totient is φ = 3801600.

The previous prime is 13606487. The next prime is 13606499. The reversal of 13606494 is 49460631.

It is a super-3 number, since 3×13606494³ (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13606499) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75084 + ... + 75264.

It is an arithmetic number, because the mean of its divisors is an integer number (501228).

Almost surely, 2^13606494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13606494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16039296).

13606494 is an abundant number, since it is smaller than the sum of its proper divisors (18472098).

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

13606494 is a wasteful number, since it uses less digits than its factorization.

13606494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 13606494 is about 3688.6981443322. The cubic root of 13606494 is about 238.7346248882.

The spelling of 13606494 in words is "thirteen million, six hundred six thousand, four hundred ninety-four".