1403012 has 12 divisors (see below), whose sum is σ = 2644236. Its totient is φ = 647520.

The previous prime is 1403009. The next prime is 1403021. The reversal of 1403012 is 2103041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 179776 + 1223236 = 424^2 + 1106^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1402984 and 1403002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13439 + ... + 13542.

It is an arithmetic number, because the mean of its divisors is an integer number (220353).

2^1403012 is an apocalyptic number.

It is an amenable number.

1403012 is a deficient number, since it is larger than the sum of its proper divisors (1241224).

1403012 is a wasteful number, since it uses less digits than its factorization.

1403012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26998 (or 26996 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1403012 is about 1184.4880750772. The cubic root of 1403012 is about 111.9490627217.

Adding to 1403012 its reverse (2103041), we get a palindrome (3506053).

The spelling of 1403012 in words is "one million, four hundred three thousand, twelve".