1373463 has 48 divisors (see below), whose sum is σ = 2576640. Its totient is φ = 707616.

The previous prime is 1373441. The next prime is 1373473. The reversal of 1373463 is 3643731.

It is a happy number.

It is not a de Polignac number, because 1373463 - 2⁵ = 1373431 is a prime.

It is a super-2 number, since 2×1373463² = 3772801224738, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

1373463 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1373473) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31920 + ... + 31962.

It is an arithmetic number, because the mean of its divisors is an integer number (53680).

2^1373463 is an apocalyptic number.

1373463 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1373463 is a deficient number, since it is larger than the sum of its proper divisors (1203177).

1373463 is a wasteful number, since it uses less digits than its factorization.

1373463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 66 counting only the distinct ones).

The product of its digits is 4536, while the sum is 27.

The square root of 1373463 is about 1171.9483777027. The cubic root of 1373463 is about 111.1575556575.

It can be divided in two parts, 137 and 3463, that added together give a square (3600 = 60²).

The spelling of 1373463 in words is "one million, three hundred seventy-three thousand, four hundred sixty-three".