1305402 has 16 divisors (see below), whose sum is σ = 2983872. Its totient is φ = 372960.

The previous prime is 1305401. The next prime is 1305427. The reversal of 1305402 is 2045031.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (1305401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15499 + ... + 15582.

It is an arithmetic number, because the mean of its divisors is an integer number (186492).

2^1305402 is an apocalyptic number.

1305402 is an abundant number, since it is smaller than the sum of its proper divisors (1678470).

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

1305402 is a wasteful number, since it uses less digits than its factorization.

1305402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31093.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 1305402 is about 1142.5419029515. The cubic root of 1305402 is about 109.2902513022.

The spelling of 1305402 in words is "one million, three hundred five thousand, four hundred two".